72204308 has 12 divisors (see below), whose sum is σ = 137844672. Its totient is φ = 32820120.

The previous prime is 72204281. The next prime is 72204347. The reversal of 72204308 is 80340227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820460 + ... + 820547.

It is an arithmetic number, because the mean of its divisors is an integer number (11487056).

Almost surely, 2^72204308 is an apocalyptic number.

It is an amenable number.

72204308 is a deficient number, since it is larger than the sum of its proper divisors (65640364).

72204308 is a wasteful number, since it uses less digits than its factorization.

72204308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641022 (or 1641020 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 72204308 is about 8497.3118102139. The cubic root of 72204308 is about 416.4098909292.

The spelling of 72204308 in words is "seventy-two million, two hundred four thousand, three hundred eight".